Approval Order StatementApproval for the sterile sodium hyaluronate (naha) to be stored in sterile, disposable polyethylene bags for up to 48 hours prior to filling the syringes. The device, as modified, will be marketed under the trade name euflexxa and is indicated for the treatment of pain in osteoarthritis of the knee in patients who have failed to respond adequately to conservative nonpharmacologic therapy and simple analgesics, e. G. , acetaminophen.